import {
    ref,
    onBeforeMount,
    onMounted,
    onBeforeUpdate,
    onUpdated,
    onBeforeUnmount,
    onUnmounted,
} from "vue";

export default function () {
    let age = ref(15);
    function addAddfn() {
        age.value = age.value + 1;
        console.log("666", age);
    }
    return { age, addAddfn }
}